import { Point } from "mirada";
import { OpticalFlowCluster, OpticalFlowFeature } from "./CBAROpticalFlowNode";
import { Rect } from "gammacv";
export declare class CBARTrackedPoint {
    private _origin;
    constructor(_origin: Point);
    get point(): Point;
    set point(value: Point);
    private _feature?;
    get feature(): OpticalFlowFeature | undefined;
    private _trackingStart?;
    set feature(value: OpticalFlowFeature | undefined);
}
export declare abstract class CBARTrackedObject {
    points: CBARTrackedPoint[];
    frameIndex: number;
    frameTime: number;
    maxAge: number;
    protected constructor(points: CBARTrackedPoint[], frameIndex: number, frameTime: number, maxAge?: number);
    readonly id: number;
    private _midpoint?;
    get midpoint(): Point;
    abstract isMatch(obj: CBARTrackedObject): boolean;
    merge(obj: CBARTrackedObject, alpha?: number): void;
    get roi(): Rect;
    cluster?: OpticalFlowCluster;
    invalidate(feature: OpticalFlowFeature): void;
    get unassigned(): CBARTrackedPoint[];
    get assigned(): CBARTrackedPoint[];
    assign(oPoints: OpticalFlowFeature[]): void;
    confirmations?: number;
    trackingFrameIndex: number;
}